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TI-2021-19839 Aliases CVE-2021-44138GHSA-4w2q-9hp2-vxj5

There is a Directory traversal vulnerability in Caucho Resin, as distributed in Resin…

Priority MEDIUM 47CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

There is a Directory traversal vulnerability in Caucho Resin, as distributed in Resin 4.0.52 - 4.0.56, which allows remote attackers to read files in arbitrary directories via a ; in a pathname within an HTTP request.

Why it matters now

EPSS 0.12327 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—com.caucho:resin (Maven)4.0.52 – 4.0.56—No fix listedGHSA-4w2q-9hp2-vxj5
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • com.caucho:resin (Maven) Vendor— Affected 4.0.52 – 4.0.56 Fixed in — No fix listed GHSA-4w2q-9hp2-vxj5

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:caucho:resin:*:*:*:*:*:*:*:*4.0.52 – 4.0.56VulnerableCaucho
  • cpe:2.3:a:caucho:resin:*:*:*:*:*:*:*:* Versions 4.0.52 – 4.0.56 Vulnerable ·Caucho

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-44138
  2. 2026-10-03 Alias added: GHSA-4w2q-9hp2-vxj5

References

Exploit 1

Advisory 1

  • TI-2012-02575 Caucho Quercus, as distributed in Resin before 4.0.29, does not properly implement the ==… CVSS 2.0HIGH 7.5
  • TI-2012-02574 Caucho Quercus, as distributed in Resin before 4.0.29, overwrites entries in the SERVER… CVSS 2.0HIGH 7.5
  • TI-2012-02573 Caucho Quercus, as distributed in Resin before 4.0.29, does not properly handle… CVSS 2.0HIGH 7.5
  • TI-2012-02577 Caucho Quercus, as distributed in Resin before 4.0.29, allows remote attackers to bypass… CVSS 2.0MEDIUM 6.4
  • TI-2004-00250 Caucho Technology Resin 2.1.12 allows remote attackers to gain sensitive information and… CVSS 2.0MEDIUM 5.0
  • TI-2012-02576 Directory traversal vulnerability in Caucho Quercus, as distributed in Resin before… CVSS 2.0MEDIUM 5.0
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences